+0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others

Alpha - Military abbreviation for CET

A - short form of 'Alpha'

IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems

Africa/Algiers

Africa/Ceuta

Africa/Tunis

Arctic/Longyearbyen

Atlantic/Jan_Mayen

CET

Europe/Amsterdam

Europe/Andorra

Europe/Belgrade

Europe/Berlin

Europe/Bratislava

Europe/Brussels

Europe/Budapest

Europe/Busingen

Europe/Copenhagen

Europe/Gibraltar

Europe/Ljubljana

Europe/Luxembourg

Europe/Madrid

Europe/Malta

Europe/Monaco

Europe/Oslo

Europe/Paris

Europe/Podgorica

Europe/Prague

Europe/Rome

Europe/San_Marino

Europe/Sarajevo

Europe/Skopje

Europe/Stockholm

Europe/Tirane

Europe/Vaduz

Europe/Vatican

Europe/Vienna

Europe/Warsaw

Europe/Zagreb

Europe/Zurich

Poland

Time zones with the GMT +1 offset:

BST - British Summer Time

CET - Central European Time

IST - Irish Standard Time

WEST - Western European Summer Time

A - Alpha Time Zone

CET - Central European Time

MEZ - MitteleuropÃ¤ische Zeit

WAT - West Africa Time

WST - Western Sahara Summer Time

BMT - Biel Mean Time

+01 -

Eastern Africa Time

Offset: EAT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Africa

Countries: It is used in following countries: Djibouti, Eritrea, Ethiopia, Kenya, Comoros, Madagascar, Somalia, South Sudan, Tanzania, Uganda, Mayotte

Principal Cities: The largest city in the EAT timezone is Addis Ababa from Ethiopia with population about 2.758 million people. Other major cities in the area are Nairobi, Dar es Salaam, Mogadishu, Antananarivo

Daylight Saving: Eastern Africa Time (EAT) is not adjusted for daylight saving therefore EAT remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Eastern Africa Time remains the same

EAT timezone map

EAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data